CN108412450A - The extension hanger and its control method controlled by ground RFID communication ball - Google Patents

The extension hanger and its control method controlled by ground RFID communication ball Download PDF

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Publication number
CN108412450A
CN108412450A CN201810219353.9A CN201810219353A CN108412450A CN 108412450 A CN108412450 A CN 108412450A CN 201810219353 A CN201810219353 A CN 201810219353A CN 108412450 A CN108412450 A CN 108412450A
Authority
CN
China
Prior art keywords
extension hanger
control
extension
rfid communication
rfid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810219353.9A
Other languages
Chinese (zh)
Inventor
陈燕
杨清海
王斌
李�权
姜领
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Space Flight Hong Peng Numerical Controlled Machinery Co Ltd
Original Assignee
Jiangsu Space Flight Hong Peng Numerical Controlled Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Space Flight Hong Peng Numerical Controlled Machinery Co Ltd filed Critical Jiangsu Space Flight Hong Peng Numerical Controlled Machinery Co Ltd
Priority to CN201810219353.9A priority Critical patent/CN108412450A/en
Publication of CN108412450A publication Critical patent/CN108412450A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/02Surface sealing or packing
    • E21B33/03Well heads; Setting-up thereof
    • E21B33/04Casing heads; Suspending casings or tubings in well heads
    • E21B33/0422Casing heads; Suspending casings or tubings in well heads a suspended tubing or casing being gripped by a slip or an internally serrated member
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • G06K17/0022Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device

Abstract

The present invention discloses a kind of extension hanger controlled by ground RFID communication ball and its control method, control method are:A, extension hanger upper end is connect with drilling rod, extension hanger lower end is connect with tail pipe;B, during drilling rod is gone into the well, when needing to carry out extension hanger seat to hang, the RFID communication ball for including control command is put into well by well head, while by well head to down-hole pump beam body;C, extension hanger carries out seat extension operation after receiving control instruction.Battery, motor, RFID reception antenna and electric circuit in well plate are provided in extension hanger, when needing to carry out extension hanger seat extension, operating personnel control extension hanger running by putting into RFID communication ball into well, realize that extension hanger seat extension acts.

Description

The extension hanger and its control method controlled by ground RFID communication ball
Technical field
The present invention relates to oilfield drilling technical field, specifically a kind of tail pipe controlled by ground RFID communication ball is outstanding Hanging device and its control method.
Background technology
RFID technique, also known as radio frequency identification are a kind of communication technologys, can identify specific objective by radio signals And related data is read and write, without establishing mechanical or optical contact between identifying system and specific objective.From structure RFID A kind of simple wireless system, only there are two basic device, the system for controlling, detect and track object.System is by one A challenger and many transponders composition.RFID is particularly suitable to be communicated with short distance identification.
When carrying out oil drilling, during drilling liner cementing, extension hanger is needed to hang over upper layer casing by slip spider On, the tail pipe of support lower part connection.It is by building the pressure in well head, utilizing pipe that the general extension hanger used at present, which sits extension mode, Inside and outside head of liquid difference pushes slips to move upwards, and seat is hung on the casing of upper layer.Maximum is asked existing for this seat hanging method Topic is exactly that extension hanger inner wall needs that pressure transmission hole is arranged, and pressure transmission hole is connected to liquid in pipe, and intraluminal fluid column pressure passes through pressure transmission Hole is applied on slips, once pressure transmission hole during going into the well due to blocking the impurity of underground more, intraluminal fluid column pressure can be caused It can not be applied on slips by pressure transmission hole, leading to occur extension hanger can not seat the problem of hanging;On the other hand, if tail pipe Hanger encounters overpressure during going into the well and increases situation extremely, extension hanger can be caused to shift to an earlier date seat extension, bringing need not The down hole problem wanted.
Invention content
Goal of the invention:The purpose of the present invention is for the deficiency in current technology, provide one kind by ground RFID communication The extension hanger and its control method of ball control, can realize and throw the mode remote control underground tail of RFID communication ball on ground The automatic seat of pipe hanger is hung, and the method meets remote control simultaneously, easy to operate, seat hangs reliable requirement, while not by well The influence of lower pressure change can effectively avoid the interference of a variety of underground complicated factors when prior art operation.
Technical solution:To achieve the above object, it is outstanding to provide a kind of tail pipe controlled by ground RFID communication ball by the present invention Hanging device and its control method, control method are as follows:
A, extension hanger upper end is connect with drilling rod, extension hanger lower end is connect with tail pipe;
B, during drilling rod is gone into the well, when needing to carry out extension hanger seat extension, it includes control command to be put into well by well head RFID communication ball, while by well head to down-hole pump beam body;
C, extension hanger carries out seat extension operation after receiving control instruction;
Extension hanger include promoted short circuit, packoff nipple, slips, motor housing body, RFID reception antenna, electric circuit in well plate, Rotor, motor inner housing, down-hole battery, coupling sleeve, lower contact and top connection, rotor pass through connection with motor housing body Female connector couples;Coupling sleeve is connect with motor housing body by threaded screw rod mode;Motor inner housing lower end connects lower contact;Motor Confined space, down-hole battery, electric circuit in well plate and RFID reception day are constituted by sealing ring between inner housing and motor housing body Line is installed on wherein;Motor housing body upper end is connected with slips, and top connection is connect with motor inner housing, is connected in the top connection There are packoff nipple, the packoff nipple upper end to be connected with promotion short circuit, the promotion short circuit passes through reverse thread with packoff nipple Connection;The promotion short circuit, packoff nipple, top connection and motor inner housing are tubular structure, and Inner Constitution is equal after a combination thereof Even smooth channel.
As a kind of improvement of this programme, rotor is connected through a screw thread with coupling sleeve, motor inner housing and lower contact It is connected through a screw thread, packoff nipple is connected through a screw thread with top connection.
As a kind of improvement of this programme, outer wall seamlessly transits after packoff nipple is connect with top connection, and outside packoff nipple Wall diameter is remained unchanged by with top connection contact portion after cumulative one section.
As a kind of improvement of this programme, packoff nipple upper end internal orifice is horn mouth.
As a kind of improvement of this programme, the outer wall bracket of top connection is less than diameter in motor housing body, and motor housing body moves up When coupling can be coated.
As a kind of improvement of this programme, the signal transmitting of RFID communication ball and RFID reception antenna and range of receiving are half Border circular areas in diameter 2m.
As a kind of improvement of this programme, electric circuit in well plate is built-in with instruction, and in step c, RFID communication ball connects with RFID It receives antenna to be communicated, the control command built in RFID communication bundle of spheres is sent to RFID reception antenna, and RFID reception antenna receives It after control command, is sent to electric circuit in well plate and carries out signal processing and identification, if built in the signal and electric circuit in well plate of identification Instruction mismatch, extension hanger is failure to actuate;If the signal of identification and the instructions match built in electric circuit in well plate, tail pipe are outstanding Hanging device starts to act.
Advantageous effect:The extension hanger disclosed in this invention controlled by ground RFID communication ball and its controlling party Method is provided with battery, motor, RFID reception antenna and electric circuit in well plate in extension hanger, when needing to carry out extension hanger When seat is hung, operating personnel control extension hanger running by putting into RFID communication ball into well, realize that extension hanger seat is hung Action.
During practice of construction, when needing to carry out the extension operation of extension hanger seat, include to underground throwing by well head The RFID communication ball of control command, while by well head to down-hole pump beam body, RFID communication ball is moved downward with fluid, works as warp When crossing the RFID reception antenna installed on extension hanger, RFID communication ball is communicated with RFID reception antenna, tail tube hanging After RFID reception antenna built in device receives correct control command, electric circuit in well plate control underground direct current motor starts work Make, rotor rotation drives coupling sleeve rotation, and coupling sleeve under the cooperation of threaded screw rod, transport upwards by pushing motor outer housing Dynamic, motor housing body pushes inclined-plane of the slips on packoff nipple to move upwards, and realizes that extension hanger seat is hung.
Outer wall seamlessly transits after packoff nipple is connect with top connection, ensures that slips uplink is smooth, is not in clamping stagnation.
Packoff nipple upper end internal orifice is horn mouth, facilitates the installation for promoting short circuit.
Electric circuit in well plate is provided in extension hanger, electric circuit in well plate is built-in with instruction, and operating personnel are put by well head After entering RFID communication ball, when RFID communication ball follows fluid to reach within the scope of extension hanger RFID reception received antenna signal, RFID communication ball is communicated with RFID reception antenna, and the control command built in RFID communication bundle of spheres is sent to RFID reception day Line after RFID reception antenna receives control command, is sent to electric circuit in well plate and carries out signal processing and identification, if the letter of identification It number is mismatched with the instruction built in electric circuit in well plate, extension hanger is failure to actuate;If in the signal and electric circuit in well plate of identification The instructions match set, extension hanger start to act.Used instruction is different in different oil wells, can prevent operating personnel because The RFID communication ball of error input mistake leads to maloperation.
The extension hanger disclosed in this invention controlled by ground RFID communication ball and its control method, can realize The automatic seat of mode remote control underground extension hanger that RFID communication ball is thrown on ground is hung, and the method meets long-range control simultaneously System, easy to operate, seat hang reliable requirement, and are not influenced by down-hole pressure variation, and traditional technology operation is can effectively avoid When a variety of underground complicated factors interference.
Description of the drawings
Fig. 1, extension hanger structural schematic diagram;
Fig. 2, extension hanger slips attachment structure schematic diagram;
Fig. 3, extension hanger downhole pipeline structural schematic diagram;
Fig. 4, extension hanger control principle drawing;
Structural schematic diagram after Fig. 5, extension hanger seat are hung;
Reference numerals list:1, short circuit is promoted;2, packoff nipple;3, slips;4, motor housing body;5, RFID reception antenna;6、 Electric circuit in well plate;7, rotor;8, upper sealing ring;9, motor inner housing;10, down-hole battery;11, coupling sleeve;12, lower sealing Circle;13, lower contact;14, top connection;15, drilling rod;16, tail pipe;17, well head;18, RFID communication ball;19, extension hanger; 20, ball injector.
Specific implementation mode
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following specific implementation modes are only For illustrating the present invention rather than limiting the scope of the invention.It should be noted that word " preceding " used in the following description, " rear ", "left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" refer respectively to direction or remote Direction from geometric center of specific component.
It is a kind of extension hanger controlled by ground RFID communication ball as shown in Figure 1, including promotes short circuit 1, sealing Pipe nipple 2, slips 3, motor housing body 4, RFID reception antenna 5, electric circuit in well plate 6, rotor 7, motor inner housing 9, underground Battery 10, coupling sleeve 11, lower contact 13 and top connection 14, rotor 7 are coupled with motor housing body 4 by coupling sleeve 11, electricity Machine rotor 7 is connected through a screw thread with coupling sleeve 11;Coupling sleeve 11 is connect with motor housing body 4 by threaded screw rod mode;Motor Inner housing 9 is connected through a screw thread with lower contact 13;Motor inner housing 9 and 4 both ends of motor housing body respectively by upper sealing ring 8 and Lower seal 12 is sealed composition confined space, and down-hole battery 10, electric circuit in well plate 6 and RFID reception antenna 5 are installed on it In;4 upper end of motor housing body is connected with slips 3, as shown in Fig. 2, slips 3 is connect by mechanical engagement with motor housing body 4;On Connector 14 is connect with motor inner housing 9, and packoff nipple 2 is connected in top connection 14, and packoff nipple 2 passes through screw thread with top connection 14 Connection promotes short circuit 1 and is connect by reverse thread with packoff nipple 2;The promotion short circuit 1, packoff nipple 2, top connection 14 and Motor inner housing 9 is tubular structure, the channel of Inner Constitution uniform smooth after a combination thereof.Packoff nipple 2 connects with top connection 14 It connects rear outer wall to seamlessly transit, and 2 outer diameter of packoff nipple is kept not by with 14 contact portion of top connection after cumulative one section Become.2 upper end internal orifice of packoff nipple is horn mouth.14 outer wall bracket of top connection is less than 4 internal diameter of motor housing body, motor housing body 4 Coupling can be coated when moving up.
When carrying out actual job, downhole pipeline structure is as shown in figure 3, promote 1 upper end jointed rod 15 of short circuit, lower contact 13 Union tail 16.
It is as follows to carry out the control method that 16 hanger seat of tail pipe is hung:
A, extension hanger upper end is connect with drilling rod 15, extension hanger lower end is connect with tail pipe 16;
B, it during drilling rod 15 is gone into the well, when needing to carry out extension hanger seat extension, is put into well comprising control by well head 17 The RFID communication ball 18 of order, while by well head 17 to down-hole pump beam body;
C, extension hanger carries out seat extension operation after receiving control instruction;
The signal of RFID communication ball 18 and RFID reception antenna 5 emits and range of receiving is the border circular areas in radius 2m.
Control method schematic diagram is as shown in figure 4, electric circuit in well plate 6 is built-in with instruction, in step c, RFID communication ball 18 with RFID reception antenna 5 is communicated, and built-in control command is sent to RFID reception antenna 5 by RFID communication ball 18, and RFID connects It after receipts antenna 5 receives control command, is sent to electric circuit in well plate 6 and carries out signal processing and identification, if the signal and well of identification Instruction built in lower circuit board 6 mismatches, and extension hanger is failure to actuate;If built in the signal and electric circuit in well plate 6 of identification Instructions match, extension hanger 19 start to act.
After RFID reception antenna 5 built in extension hanger 19 receives correct control command, electric circuit in well plate 6 controls Underground direct current motor is started to work, and rotor 7 rotates, and drives coupling sleeve 11 to rotate, cooperation of the coupling sleeve 11 in threaded screw rod Under, pushing motor outer housing 4 moves upwards, and motor housing body 4 pushes inclined-plane of the slips 3 on packoff nipple 2 to move upwards, real Existing extension hanger seat is hung, and state is as shown in Figure 5 after extension hanger seat is hung.
The technical means disclosed in the embodiments of the present invention is not limited only to the technological means disclosed in the above embodiment, further includes By the above technical characteristic arbitrarily the formed technical solution of combination.

Claims (7)

1. a kind of extension hanger controlled by ground RFID communication ball and its control method, which is characterized in that control method It is as follows:
A, extension hanger upper end is connect with drilling rod (15), extension hanger lower end is connect with tail pipe (16);
B, it during drilling rod (15) is gone into the well, when needing to carry out extension hanger seat to hang, is put into well by well head (17) and includes The RFID communication ball (18) of control command, while by well head (17) to down-hole pump beam body;
C, extension hanger carries out seat extension operation after receiving control instruction;
The extension hanger includes promoting short circuit (1), packoff nipple (2), slips (3), motor housing body (4), RFID reception Antenna (5), electric circuit in well plate (6), rotor (7), motor inner housing (9), down-hole battery (10), coupling sleeve (11), under connect Head (13) and top connection (14), rotor (7) are coupled with motor housing body (4) by coupling sleeve (11);Coupling sleeve (11) with Motor housing body (4) is connected by threaded screw rod mode;Motor inner housing (9) lower end connects lower contact (13);Motor inner housing (9) confined space, down-hole battery (10), electric circuit in well plate (6) and RFID are constituted by sealing ring between motor housing body (4) Reception antenna (5) is installed on wherein;Motor housing body (4) upper end is connected with slips (3), top connection (14) and motor inner housing (9) it connects, is connected with packoff nipple (2) on the top connection (14), packoff nipple (2) upper end is connected with promotion short circuit (1), the promotion short circuit (1) is connect with packoff nipple (2) by reverse thread;The promotion short circuit (1), packoff nipple (2), Top connection (14) and motor inner housing (9) are tubular structure, the channel of Inner Constitution uniform smooth after a combination thereof.
2. a kind of extension hanger controlled by ground RFID communication ball as described in claim 1 and its control method, It is characterized in that:The rotor (7) is connected through a screw thread with coupling sleeve (11), the motor inner housing (9) and lower contact (13) it is connected through a screw thread, the packoff nipple (2) is connected through a screw thread with top connection (14).
3. a kind of extension hanger controlled by ground RFID communication ball as claimed in claim 2 and its control method, It is characterized in that:Outer wall seamlessly transits after the packoff nipple (2) connect with top connection (14), and packoff nipple (2) outer diameter It is remained unchanged after cumulative one section by with top connection (14) contact portion.
4. a kind of extension hanger controlled by ground RFID communication ball as claimed in claim 3 and its control method, It is characterized in that:Packoff nipple (2) upper end internal orifice is horn mouth.
5. a kind of extension hanger controlled by ground RFID communication ball as claimed in claim 4 and its control method, It is characterized in that:The outer wall bracket of the top connection (14) is less than motor housing body (4) internal diameter, can be incited somebody to action when motor housing body (4) moves up Coupling coats.
6. a kind of extension hanger controlled by ground RFID communication ball as claimed in claim 5 and its control method, It is characterized in that:The RFID communication ball (18) and RFID reception antenna(5)Signal transmitting and range of receiving be radius 2m in Border circular areas.
7. a kind of extension hanger controlled by ground RFID communication ball as claimed in claim 6 and its control method, It is characterized in that:The electric circuit in well plate (6) is built-in with instruction, in step c, RFID communication ball (18) and RFID reception antenna (5) It is communicated, built-in control command is sent to RFID reception antenna (5), RFID reception antenna (5) by RFID communication ball (18) It after receiving control command, is sent to electric circuit in well plate (6) and carries out signal processing and identification, if the signal and electric circuit in well of identification Instruction built in plate (6) mismatches, and extension hanger is failure to actuate;If the signal of identification and the finger built in electric circuit in well plate (6) Matching, extension hanger is enabled to start to act.
CN201810219353.9A 2018-03-16 2018-03-16 The extension hanger and its control method controlled by ground RFID communication ball Pending CN108412450A (en)

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CN201810219353.9A CN108412450A (en) 2018-03-16 2018-03-16 The extension hanger and its control method controlled by ground RFID communication ball

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Application Number Priority Date Filing Date Title
CN201810219353.9A CN108412450A (en) 2018-03-16 2018-03-16 The extension hanger and its control method controlled by ground RFID communication ball

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6267185B1 (en) * 1999-08-03 2001-07-31 Schlumberger Technology Corporation Apparatus and method for communication with downhole equipment using drill string rotation and gyroscopic sensors
CN2453119Y (en) * 2000-08-24 2001-10-10 胜利石油管理局渤海钻井总公司 Oil well tail pipe holding means of mechanical slips locus type
CN101876243A (en) * 2009-04-30 2010-11-03 浙江关西电机有限公司 Control system of pumping system
CN102808589A (en) * 2012-08-16 2012-12-05 中国石油大学(北京) Motor-driven underground tractor for coiled tubing
CN105927179A (en) * 2016-05-06 2016-09-07 西南石油大学 Pressing expansion type downhole annular blowout preventer and communication method thereof
CN107227948A (en) * 2017-05-19 2017-10-03 中国石油集团川庆钻探工程有限公司 The method that ground controls downhole orientation hydrajet tool

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6267185B1 (en) * 1999-08-03 2001-07-31 Schlumberger Technology Corporation Apparatus and method for communication with downhole equipment using drill string rotation and gyroscopic sensors
CN2453119Y (en) * 2000-08-24 2001-10-10 胜利石油管理局渤海钻井总公司 Oil well tail pipe holding means of mechanical slips locus type
CN101876243A (en) * 2009-04-30 2010-11-03 浙江关西电机有限公司 Control system of pumping system
CN102808589A (en) * 2012-08-16 2012-12-05 中国石油大学(北京) Motor-driven underground tractor for coiled tubing
CN105927179A (en) * 2016-05-06 2016-09-07 西南石油大学 Pressing expansion type downhole annular blowout preventer and communication method thereof
CN107227948A (en) * 2017-05-19 2017-10-03 中国石油集团川庆钻探工程有限公司 The method that ground controls downhole orientation hydrajet tool

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Application publication date: 20180817